Examples with PRECEDING io.trino.sql.tree.FrameBound.Type.PRECEDING used on opensource projects

Example 1 with PRECEDING

use of io.trino.sql.tree.FrameBound.Type.PRECEDING in project trino by trinodb.

the class TestWindowClause method testPreprojectExpressions.

@Test
public void testPreprojectExpressions() {
    @Language("SQL") String sql = "SELECT max(b) OVER w3 FROM (VALUES (1, 1, 1)) t(a, b, c) WINDOW w1 AS (PARTITION BY a + 1), w2 AS (w1 ORDER BY b + 2), w3 AS (w2 RANGE c + 3 PRECEDING)";
    PlanMatchPattern pattern = anyTree(window(windowMatcherBuilder -> windowMatcherBuilder.specification(specification(ImmutableList.of("expr_a"), ImmutableList.of("expr_b"), ImmutableMap.of("expr_b", SortOrder.ASC_NULLS_LAST))).addFunction("max_result", functionCall("max", ImmutableList.of("b")), createTestMetadataManager().resolveFunction(TEST_SESSION, QualifiedName.of("max"), fromTypes(INTEGER)), windowFrame(RANGE, PRECEDING, Optional.of("frame_start"), Optional.of("expr_b"), CURRENT_ROW, Optional.empty(), Optional.empty())), project(ImmutableMap.of("frame_start", expression(new FunctionCall(QualifiedName.of("$operator$subtract"), ImmutableList.of(new SymbolReference("expr_b"), new SymbolReference("expr_c"))))), anyTree(project(ImmutableMap.of("expr_a", expression("a + 1"), "expr_b", expression("b + 2"), "expr_c", expression("c + 3")), anyTree(values("a", "b", "c")))))));
    assertPlan(sql, CREATED, pattern);
}

Example 2 with PRECEDING

use of io.trino.sql.tree.FrameBound.Type.PRECEDING in project trino by trinodb.

the class TestWindowFrameRange method testFramePrecedingFollowingNoCoercions.

@Test
public void testFramePrecedingFollowingNoCoercions() {
    @Language("SQL") String sql = "SELECT array_agg(key) OVER(ORDER BY key RANGE BETWEEN x PRECEDING AND y FOLLOWING) " + "FROM (VALUES (1, 1, 1), (2, 2, 2)) t(key, x, y)";
    PlanMatchPattern pattern = anyTree(window(windowMatcherBuilder -> windowMatcherBuilder.specification(specification(ImmutableList.of(), ImmutableList.of("key"), ImmutableMap.of("key", SortOrder.ASC_NULLS_LAST))).addFunction("array_agg_result", functionCall("array_agg", ImmutableList.of("key")), createTestMetadataManager().resolveFunction(TEST_SESSION, QualifiedName.of("array_agg"), fromTypes(INTEGER)), windowFrame(RANGE, PRECEDING, Optional.of("frame_start_value"), Optional.of("key"), FOLLOWING, Optional.of("frame_end_value"), Optional.of("key"))), project(ImmutableMap.of("frame_end_value", expression(new FunctionCall(QualifiedName.of("$operator$add"), ImmutableList.of(new SymbolReference("key"), new SymbolReference("y"))))), filter("IF((y >= CAST(0 AS INTEGER)), " + "true, " + "CAST(fail(CAST('Window frame offset value must not be negative or null' AS varchar)) AS boolean))", project(ImmutableMap.of("frame_start_value", expression(new FunctionCall(QualifiedName.of("$operator$subtract"), ImmutableList.of(new SymbolReference("key"), new SymbolReference("x"))))), filter("IF((x >= CAST(0 AS INTEGER)), " + "true, " + "CAST(fail(CAST('Window frame offset value must not be negative or null' AS varchar)) AS boolean))", anyTree(values(ImmutableList.of("key", "x", "y"), ImmutableList.of(ImmutableList.of(new LongLiteral("1"), new LongLiteral("1"), new LongLiteral("1")), ImmutableList.of(new LongLiteral("2"), new LongLiteral("2"), new LongLiteral("2")))))))))));
    assertPlan(sql, CREATED, pattern);
}

Example 3 with PRECEDING

use of io.trino.sql.tree.FrameBound.Type.PRECEDING in project trino by trinodb.

the class TestWindowFrameRange method testFramePrecedingWithSortKeyCoercions.

@Test
public void testFramePrecedingWithSortKeyCoercions() {
    @Language("SQL") String sql = "SELECT array_agg(key) OVER(ORDER BY key RANGE x PRECEDING) " + "FROM (VALUES (1, 1.1), (2, 2.2)) t(key, x)";
    PlanMatchPattern pattern = anyTree(window(windowMatcherBuilder -> windowMatcherBuilder.specification(specification(ImmutableList.of(), ImmutableList.of("key"), ImmutableMap.of("key", SortOrder.ASC_NULLS_LAST))).addFunction("array_agg_result", functionCall("array_agg", ImmutableList.of("key")), createTestMetadataManager().resolveFunction(TEST_SESSION, QualifiedName.of("array_agg"), fromTypes(INTEGER)), windowFrame(RANGE, PRECEDING, Optional.of("frame_start_value"), Optional.of("key_for_frame_start_comparison"), CURRENT_ROW, Optional.empty(), Optional.empty())), project(ImmutableMap.of("key_for_frame_start_comparison", expression("CAST(key AS decimal(12, 1))")), project(ImmutableMap.of("frame_start_value", expression(new FunctionCall(QualifiedName.of("$operator$subtract"), ImmutableList.of(new SymbolReference("key_for_frame_start_calculation"), new SymbolReference("x"))))), project(ImmutableMap.of("key_for_frame_start_calculation", expression("CAST(key AS decimal(10, 0))")), filter("IF((x >= CAST(0 AS DECIMAL(2,1))), " + "true, " + "CAST(fail(CAST('Window frame offset value must not be negative or null' AS varchar)) AS boolean))", anyTree(values(ImmutableList.of("key", "x"), ImmutableList.of(ImmutableList.of(new LongLiteral("1"), new DecimalLiteral("1.1")), ImmutableList.of(new LongLiteral("2"), new DecimalLiteral("2.2")))))))))));
    assertPlan(sql, CREATED, pattern);
}